DJI F450 quadcopter with kk2 board

[Ryen]

i have a f450 with a kk2 board do i need a bec??
please help!!
thanks

[alexsim]

http://www.multi-rotor.co.uk/index.php?topic=1209.0

[cruiser73]

No, if your ESCs have ubecs. If they're optos, you need to power your board with a bec. All my ESCs have ubecs. The KK2 takes power from M1 only, so don't need to cut the red wire from other ESCs.

[Ryen]

my escs are all dji opto escs. what do i do with the bec?